<template>
	<el-dialog v-model="dialog.visible" :title="dialog.title" width="50%" draggable :before-close="cancel" center
		:close-on-click-modal="false">
		<el-form v-loading="loading" :model="form" label-width="120px">
			<el-form-item label="消息提醒">
				<el-checkbox-group v-model="form.messageType">
					<el-checkbox value="1" name="type" disabled>站内信</el-checkbox>
					<el-checkbox value="2" name="type">邮件</el-checkbox>
					<el-checkbox value="3" name="type">短信</el-checkbox>
				</el-checkbox-group>
			</el-form-item>
			<el-form-item label="附件">
				<fileUpload v-model="form.fileId"
					:file-type="['png', 'jpg', 'jpeg', 'doc', 'docx', 'xlsx', 'xls', 'ppt', 'txt', 'pdf']" :file-size="20" />
			</el-form-item>
			<el-form-item label="抄送" v-if="buttonObj.copy">
				<el-button type="primary" icon="Plus" circle @click="openUserSelectCopy" />
				<el-tag v-for="user in selectCopyUserList" :key="user.userId" closable style="margin: 2px"
					@close="handleCopyCloseTag(user)">
					{{ user.nickName }}
				</el-tag>
			</el-form-item>
			<el-form-item v-if="buttonObj.pop && nestNodeList && nestNodeList.length > 0" label="下一步审批人" prop="assigneeMap">
				<div v-for="(item, index) in nestNodeList" :key="index" style="margin-bottom: 5px; width: 500px">
					<span>【{{ item.nodeName }}】：</span>
					<el-input v-if="false" v-model="form.assigneeMap[item.nodeCode]" />
					<el-input placeholder="请选择审批人" readonly v-model="nickName[item.nodeCode]">
						<template v-slot:append>
							<el-button @click="choosePeople(item)" icon="search">选择</el-button>
						</template>
					</el-input>
				</div>
			</el-form-item>
			<el-form-item v-if="task.flowStatus === 'waiting'" label="审批意见">
				<el-input v-model="form.message" type="textarea" resize="none" />
			</el-form-item>
		</el-form>
		<template #footer>
			<span class="dialog-footer">
				<el-button :disabled="buttonDisabled" type="primary" @click="handleCompleteTask"> 提交 </el-button>
				<el-button v-if="task.flowStatus === 'waiting' && buttonObj.trust" :disabled="buttonDisabled" type="primary"
					@click="openDelegateTask">
					委托
				</el-button>
				<el-button v-if="task.flowStatus === 'waiting' && buttonObj.transfer" :disabled="buttonDisabled" type="primary"
					@click="openTransferTask">
					转办
				</el-button>
				<el-button v-if="task.flowStatus === 'waiting' && Number(task.nodeRatio) > 0 && buttonObj.addSign"
					:disabled="buttonDisabled" type="primary" @click="openMultiInstanceUser">
					加签
				</el-button>
				<el-button v-if="task.flowStatus === 'waiting' && Number(task.nodeRatio) > 0 && buttonObj.subSign"
					:disabled="buttonDisabled" type="primary" @click="handleTaskUser">
					减签
				</el-button>
				<el-button v-if="task.flowStatus === 'waiting' && buttonObj.termination" :disabled="buttonDisabled"
					type="danger" @click="handleTerminationTask">
					终止
				</el-button>
				<el-button v-if="task.flowStatus === 'waiting' && buttonObj.back" :disabled="buttonDisabled" type="danger"
					@click="handleBackProcessOpen">
					退回
				</el-button>
				<el-button :disabled="buttonDisabled" @click="cancel">取消</el-button>
			</span>
		</template>
		<!-- 抄送 -->
		<UserSelect ref="userSelectCopyRef" :multiple="true" :data="selectCopyUserIds"
			@confirm-call-back="userSelectCopyCallBack"></UserSelect>
		<!-- 转办 -->
		<UserSelect ref="transferTaskRef" :multiple="false" @confirm-call-back="handleTransferTask"></UserSelect>
		<!-- 委托 -->
		<UserSelect ref="delegateTaskRef" :multiple="false" @confirm-call-back="handleDelegateTask"></UserSelect>
		<!-- 加签组件 -->
		<UserSelect ref="multiInstanceUserRef" :multiple="true" @confirm-call-back="addMultiInstanceUser"></UserSelect>
		<!-- 弹窗选人 -->
		<UserSelect ref="porUserRef" :multiple="true" :userIds="popUserIds" @confirm-call-back="handlePopUser"></UserSelect>

		<!-- 驳回开始 -->
		<el-dialog v-model="backVisible" draggable title="驳回" width="40%" :close-on-click-modal="false">
			<el-form v-if="task.flowStatus === 'waiting'" v-loading="backLoading" :model="backForm" label-width="120px">
				<el-form-item label="驳回节点">
					<el-select v-model="backForm.nodeCode" clearable placeholder="请选择" style="width: 300px">
						<el-option v-for="item in taskNodeList" :key="item.nodeCode" :label="item.nodeName"
							:value="item.nodeCode" />
					</el-select>
				</el-form-item>
				<el-form-item label="消息提醒">
					<el-checkbox-group v-model="backForm.messageType">
						<el-checkbox label="1" name="type" disabled>站内信</el-checkbox>
						<el-checkbox label="2" name="type">邮件</el-checkbox>
						<el-checkbox label="3" name="type">短信</el-checkbox>
					</el-checkbox-group>
				</el-form-item>
				<el-form-item v-if="task.flowStatus === 'waiting'" label="附件">
					<fileUpload v-model="backForm.fileId"
						:file-type="['png', 'jpg', 'jpeg', 'doc', 'docx', 'xlsx', 'xls', 'ppt', 'txt', 'pdf']" :file-size="20" />
				</el-form-item>
				<el-form-item label="审批意见">
					<el-input v-model="backForm.message" type="textarea" resize="none" />
				</el-form-item>
			</el-form>
			<template #footer>
				<div class="dialog-footer" style="float: right; padding-bottom: 20px">
					<el-button :disabled="backButtonDisabled" type="primary" @click="handleBackProcess">确认</el-button>
					<el-button :disabled="backButtonDisabled" @click="backVisible = false">取消</el-button>
				</div>
			</template>
		</el-dialog>
		<!-- 驳回结束 -->
		<el-dialog v-model="deleteSignatureVisible" draggable title="减签人员" width="700px" height="400px" append-to-body
			:close-on-click-modal="false">
			<div>
				<el-table :data="deleteUserList" border>
					<el-table-column prop="nodeName" label="任务名称" />
					<el-table-column prop="nickName" label="办理人" />
					<el-table-column label="操作" align="center" width="160">
						<template #default="scope">
							<el-button type="danger" size="small" icon="Delete" @click="deleteMultiInstanceUser(scope.row)">删除
							</el-button>
						</template>
					</el-table-column>
				</el-table>
			</div>
		</el-dialog>
	</el-dialog>
</template>

<script setup>
import { ref } from 'vue';
import { ElForm } from 'element-plus';
import {
	completeTask,
	backProcess,
	getTask,
	taskOperation,
	terminationTask,
	getBackTaskNode,
	currentTaskAllUser,
	getNextNodeList
} from '@/api/workflow/task';
import UserSelect from '@/components/UserSelect';

const { proxy } = getCurrentInstance()

const userSelectCopyRef = ref();
const transferTaskRef = ref();
const delegateTaskRef = ref();
const multiInstanceUserRef = ref();
const porUserRef = ref();

const props = defineProps({
	taskVariables: {
		type: Object,
		default: () => { }
	}
});
//遮罩层
const loading = ref(true);
//按钮
const buttonDisabled = ref(true);
//任务id
const taskId = ref('');
//抄送人
const selectCopyUserList = ref([]);
//抄送人id
const selectCopyUserIds = ref(undefined);
//可减签的人员
const deleteUserList = ref([]);
//弹窗可选择的人员id
const popUserIds = ref([]);
//驳回是否显示
const backVisible = ref(false);
const backLoading = ref(true);
const backButtonDisabled = ref(true);
// 可驳回得任务节点
const taskNodeList = ref([]);
const nickName = ref({});
//节点编码
const nodeCode = ref('');
const buttonObj = ref({
	pop: false,
	trust: false,
	transfer: false,
	addSign: false,
	subSign: false,
	termination: false,
	back: false
});
//下一节点列表
const nestNodeList = ref([]);
//任务
const task = ref({
	id: undefined,
	createTime: undefined,
	updateTime: undefined,
	tenantId: undefined,
	definitionId: undefined,
	instanceId: undefined,
	flowName: undefined,
	businessId: undefined,
	nodeCode: undefined,
	nodeName: undefined,
	flowCode: undefined,
	flowStatus: undefined,
	formCustom: undefined,
	formPath: undefined,
	nodeType: undefined,
	nodeRatio: undefined,
	applyNode: false,
	buttonList: []
});
const dialog = reactive({
	visible: false,
	title: '提示'
});
//减签弹窗
const deleteSignatureVisible = ref(false);
const form = ref({
	taskId: undefined,
	message: undefined,
	assigneeMap: {},
	variables: {},
	messageType: ['1'],
	flowCopyList: []
});
const backForm = ref({
	taskId: undefined,
	nodeCode: undefined,
	message: undefined,
	variables: {},
	messageType: ['1']
});

//打开弹窗
const openDialog = async (id) => {
	selectCopyUserIds.value = undefined;
	selectCopyUserList.value = [];
	form.value.fileId = undefined;
	taskId.value = id;
	form.value.message = undefined;
	dialog.visible = true;
	loading.value = true;
	buttonDisabled.value = true;
	const response = await getTask(taskId.value);
	task.value = response.data;
	buttonObj.value = {};
	task.value.buttonList.forEach((e) => {
		buttonObj.value[e.code] = e.show;
	});
	buttonDisabled.value = false;
	const data = {
		taskId: taskId.value,
		variables: props.taskVariables
	};
	const nextData = await getNextNodeList(data);
	nestNodeList.value = nextData.data;
	loading.value = false;
};

onMounted(() => { });
const emits = defineEmits(['submitCallback', 'cancelCallback']);

/** 办理流程 */
const handleCompleteTask = async () => {
	form.value.taskId = taskId.value;
	form.value.variables = props.taskVariables;
	let verify = false;
	if (buttonObj.value.pop && nestNodeList.value && nestNodeList.value.length > 0) {
		nestNodeList.value.forEach((e) => {
			if (
				Object.keys(form.value.assigneeMap).length === 0 ||
				form.value.assigneeMap[e.nodeCode] === '' ||
				form.value.assigneeMap[e.nodeCode] === null ||
				form.value.assigneeMap[e.nodeCode] === undefined
			) {
				verify = true;
			}
		});
		if (verify) {
			proxy?.$modal.msgWarning('请选择审批人！');
			return false;
		}
	} else {
		form.value.assigneeMap = {};
	}
	if (selectCopyUserList.value && selectCopyUserList.value.length > 0) {
		const flowCopyList = [];
		selectCopyUserList.value.forEach((e) => {
			const copyUser = {
				userId: e.userId,
				userName: e.nickName
			};
			flowCopyList.push(copyUser);
		});
		form.value.flowCopyList = flowCopyList;
	}
	await proxy?.$modal.confirm('是否确认提交？');
	loading.value = true;
	buttonDisabled.value = true;
	try {
		await completeTask(form.value);
		dialog.visible = false;
		emits('submitCallback');
		proxy?.$modal.msgSuccess('操作成功');
	} finally {
		loading.value = false;
		buttonDisabled.value = false;
	}
};

/** 驳回弹窗打开 */
const handleBackProcessOpen = async () => {
	backForm.value = {};
	backForm.value.messageType = ['1'];
	backVisible.value = true;
	backLoading.value = true;
	backButtonDisabled.value = true;
	const data = await getBackTaskNode(task.value.definitionId, task.value.nodeCode);
	taskNodeList.value = data.data;
	backLoading.value = false;
	backButtonDisabled.value = false;
	backForm.value.nodeCode = taskNodeList.value[0].nodeCode;
};
/** 驳回流程 */
const handleBackProcess = async () => {
	backForm.value.taskId = taskId.value;
	await proxy?.$modal.confirm('是否确认驳回到申请人？');
	loading.value = true;
	backLoading.value = true;
	backButtonDisabled.value = true;
	await backProcess(backForm.value).finally(() => {
		loading.value = false;
		buttonDisabled.value = false;
	});
	dialog.visible = false;
	backLoading.value = false;
	backButtonDisabled.value = false;
	emits('submitCallback');
	proxy?.$modal.msgSuccess('操作成功');
};
//取消
const cancel = async () => {
	dialog.visible = false;
	buttonDisabled.value = false;
	nickName.value = {};
	form.value.assigneeMap = {};
	emits('cancelCallback');
};
//打开抄送人员
const openUserSelectCopy = () => {
	userSelectCopyRef.value.open();
};
//确认抄送人员
const userSelectCopyCallBack = (data) => {
	if (data && data.length > 0) {
		selectCopyUserList.value = data;
		selectCopyUserIds.value = selectCopyUserList.value.map((item) => item.userId).join(',');
	}
};
//删除抄送人员
const handleCopyCloseTag = (user) => {
	const userId = user.userId;
	// 使用split删除用户
	const index = selectCopyUserList.value.findIndex((item) => item.userId === userId);
	selectCopyUserList.value.splice(index, 1);
	selectCopyUserIds.value = selectCopyUserList.value.map((item) => item.userId).join(',');
};
//加签
const openMultiInstanceUser = async () => {
	multiInstanceUserRef.value.open();
};
//加签
const addMultiInstanceUser = async (data) => {
	if (data && data.length > 0) {
		const taskOperationBo = reactive({
			userIds: data.map((e) => e.userId),
			taskId: taskId.value,
			message: form.value.message
		});
		await proxy?.$modal.confirm('是否确认提交？');
		loading.value = true;
		buttonDisabled.value = true;
		await taskOperation(taskOperationBo, 'addSignature').finally(() => {
			loading.value = false;
			buttonDisabled.value = false;
		});
		dialog.visible = false;
		emits('submitCallback');
		proxy?.$modal.msgSuccess('操作成功');
	} else {
		proxy?.$modal.msgWarning('请选择用户！');
	}
};
//减签
const deleteMultiInstanceUser = async (row) => {
	await proxy?.$modal.confirm('是否确认提交？');
	loading.value = true;
	buttonDisabled.value = true;
	const taskOperationBo = reactive({
		userIds: [row.userId],
		taskId: taskId.value,
		message: form.value.message
	});
	await taskOperation(taskOperationBo, 'reductionSignature').finally(() => {
		loading.value = false;
		buttonDisabled.value = false;
	});
	dialog.visible = false;
	emits('submitCallback');
	proxy?.$modal.msgSuccess('操作成功');
};
//打开转办
const openTransferTask = () => {
	transferTaskRef.value.open();
};
//转办
const handleTransferTask = async (data) => {
	if (data && data.length > 0) {
		const taskOperationBo = reactive({
			userId: data[0].userId,
			taskId: taskId.value,
			message: form.value.message
		});
		await proxy?.$modal.confirm('是否确认提交？');
		loading.value = true;
		buttonDisabled.value = true;
		await taskOperation(taskOperationBo, 'transferTask').finally(() => {
			loading.value = false;
			buttonDisabled.value = false;
		});
		dialog.visible = false;
		emits('submitCallback');
		proxy?.$modal.msgSuccess('操作成功');
	} else {
		proxy?.$modal.msgWarning('请选择用户！');
	}
};

//打开委托
const openDelegateTask = () => {
	delegateTaskRef.value.open();
};
//委托
const handleDelegateTask = async (data) => {
	if (data && data.length > 0) {
		const taskOperationBo = reactive({
			userId: data[0].userId,
			taskId: taskId.value,
			message: form.value.message
		});
		await proxy?.$modal.confirm('是否确认提交？');
		loading.value = true;
		buttonDisabled.value = true;
		await taskOperation(taskOperationBo, 'delegateTask').finally(() => {
			loading.value = false;
			buttonDisabled.value = false;
		});
		dialog.visible = false;
		emits('submitCallback');
		proxy?.$modal.msgSuccess('操作成功');
	} else {
		proxy?.$modal.msgWarning('请选择用户！');
	}
};
//终止任务
const handleTerminationTask = async () => {
	const params = {
		taskId: taskId.value,
		comment: form.value.message
	};
	await proxy?.$modal.confirm('是否确认终止？');
	loading.value = true;
	buttonDisabled.value = true;
	await terminationTask(params).finally(() => {
		loading.value = false;
		buttonDisabled.value = false;
	});
	dialog.visible = false;
	emits('submitCallback');
	proxy?.$modal.msgSuccess('操作成功');
};
const handleTaskUser = async () => {
	const data = await currentTaskAllUser(taskId.value);
	deleteUserList.value = data.data;
	if (deleteUserList.value && deleteUserList.value.length > 0) {
		deleteUserList.value.forEach((e) => {
			e.nodeName = task.value.nodeName;
		});
	}
	deleteSignatureVisible.value = true;
};
// 选择人员
const choosePeople = async (data) => {
	if (!data.permissionFlag) {
		proxy?.$modal.msgError('没有可选择的人员，请联系管理员！');
	}
	popUserIds.value = data.permissionFlag;
	nodeCode.value = data.nodeCode;
	porUserRef.value.open();
};
//确认选择
const handlePopUser = async (userList) => {
	const userIds = userList.map((item) => {
		return item.userId;
	});
	const nickNames = userList.map((item) => {
		return item.nickName;
	});
	form.value.assigneeMap[nodeCode.value] = userIds.join(',');
	nickName.value[nodeCode.value] = nickNames.join(',');
};

/**
 * 对外暴露子组件方法
 */
defineExpose({
	openDialog
});
</script>
